Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing a first embodiment of our new design; and,

FIG. 2 is a second image illustrating a second embodiment thereof.

The outer broken line rectangle showing the display screen and all other broken lines showing portions of the graphical user interface are included for the purpose of illustrating portions of the article and form no part of the claimed design. The receding grid pattern of small dots are part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 